邮寄进达中,挂号回执上注明的收件日期与送达回证上收件日期不一致的。送选日期应该是哪一天?() ["法院交邮局挂号的日期","诉讼文书寄到的日期","挂号回执上注明的日期","送达回证上的收件日期"]
软流圈包括在() ["地壳中,","上地幔中,","下地幔中,","地核中"]
阀控铅酸蓄电池一般采用()方式充电。 ["限压恒流","限压限流","恒压恒流","恒压限流"]
常用的坑壁支撑形式有哪些?() ["板式坑壁支撑","框架支撑","混凝土围堰","抗滑桩"]
减压阀二次油压力的调节范围为()MPa。 ["0~10.5","0~14","1~10.5","3~5"]
有益元素的含义和种类